code: def sepia(white="#fff0c0"):
      r, g, b = ImageColor.getrgb(white)
      r = make_linear_lut(0, r)
      g = make_linear_lut(0, g)
      b = make_linear_lut(0, b)
      return ImagePalette("RGB", r + g + b)
  
file_path: catboost/contrib/python/Pillow/py2/PIL/ImagePalette.py
imports: import array
  from .None import GimpGradientFile, GimpPaletteFile, ImageColor, PaletteFile
label_desc: Use image node_id 6 for calling a global function with example usage: sepia(white) and returns: ImagePalette